Question: what is the {start time} for {the apprentice} has {executive producer} as {Mark Burnett} ?
Paraphrase: what is the {ready time} for {the apprentice} which has {executive producer} as {Mark Burnett} ?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q47561 p:P463 ?s . ?s ps:P463 wd:Q1132636 . ?s pq:P582 ?value}